| http://www.w3.org/ns/prov#value | - Bacteria (in this article de?ned as all prokaryotes thus including eubacteria as well as archaebacteria or archaea) represent the earliest known type of life and their presence at least 3.5C210 9 yearsagoiswelldocumented.Allbasicproperties of element cycling in the biosphere had developed before multicellulareukaryotes(algae,plants,fungiandanimals) evolved perhaps about 6C210 6 years ago.
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